These snap fasteners are sufficient for thinner fabrics but are not intended for use with thick or dense fabrics. Thin or stretchy fabrics like knit and jersey must be reinforced with heavier material around the fastening area to avoid tearing. Features - Color: White. - Material: Copper. - Size: 0.9 x 0.9 x 0.2 cm. - The package includes 20 sets of snap fasteners, and each set contains 4 pcs snap fasteners. - Suitable for use in thin fabrics. - Applications: Home repair, clothing store reserve, cross-border electricity dealer AliExpress online sales, join the clothing store, etc. - for making pacifier clips, bibs, baby clothes, keychains, etc. - Perfect accessories for handmade crafts and sewing and repair. Warm tip: Dear buyer, due to lighting effects, monitor's brightness, manual measurement, etc., there may be slight differences in color and size between the photo and the actual item. We sincerely hope you can understand Thank you